omap4-common: camera: libexif was renamed to libjhead in 4.4.3

Change-Id: Ifd06b3fa6d57a748d776ccef9574094149733473
camera: allow building for any 4.4.x version

Change-Id: I2df835d6e4e8c2d04db1b0a8d340c6643f1cc9c5
Fixed overlay issues
Deleted arrays.xml as its no longer needed
Merge branch 'aokp4.4' of https://github.com/kularny/android_device_motorola_omap4-common into aokp4.4